US7292697B2 - Audio reproducing system - Google Patents

Audio reproducing system Download PDF

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Publication number
US7292697B2
US7292697B2 US10/201,971 US20197102A US7292697B2 US 7292697 B2 US7292697 B2 US 7292697B2 US 20197102 A US20197102 A US 20197102A US 7292697 B2 US7292697 B2 US 7292697B2
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United States
Prior art keywords
audio signal
loudspeaker
signal
center
audio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US10/201,971
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English (en)
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US20030031332A1 (en
Inventor
Kazuhito Tatsuta
Takami Maeda
Takeshi Sato
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Pioneer Corp
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Pioneer Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Assigned to PIONEER CORPORATION reassignment PIONEER CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SATO, TAKESHI, MAEDA, TAKAMI, TATSUTA, KAZUHITO
Publication of US20030031332A1 publication Critical patent/US20030031332A1/en
Priority to US11/797,734 priority Critical patent/US7369666B2/en
Application granted granted Critical
Publication of US7292697B2 publication Critical patent/US7292697B2/en
Adjusted expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
US10/201,971 2001-08-10 2002-07-25 Audio reproducing system Expired - Fee Related US7292697B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/797,734 US7369666B2 (en) 2001-08-10 2007-05-07 Audio reproducing system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPP2001-244733 2001-08-10
JP2001244733A JP2003061198A (ja) 2001-08-10 2001-08-10 オーディオ再生装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/797,734 Continuation US7369666B2 (en) 2001-08-10 2007-05-07 Audio reproducing system

Publications (2)

Publication Number Publication Date
US20030031332A1 US20030031332A1 (en) 2003-02-13
US7292697B2 true US7292697B2 (en) 2007-11-06

Family

ID=19074618

Family Applications (2)

Application Number Title Priority Date Filing Date
US10/201,971 Expired - Fee Related US7292697B2 (en) 2001-08-10 2002-07-25 Audio reproducing system
US11/797,734 Expired - Fee Related US7369666B2 (en) 2001-08-10 2007-05-07 Audio reproducing system

Family Applications After (1)

Application Number Title Priority Date Filing Date
US11/797,734 Expired - Fee Related US7369666B2 (en) 2001-08-10 2007-05-07 Audio reproducing system

Country Status (3)

Country Link
US (2) US7292697B2 (ja)
EP (1) EP1283658A3 (ja)
JP (1) JP2003061198A (ja)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040175001A1 (en) * 2003-03-03 2004-09-09 Pioneer Corporation Circuit and program for processing multichannel audio signals and apparatus for reproducing same
US20050074135A1 (en) * 2003-09-09 2005-04-07 Masanori Kushibe Audio device and audio processing method
US20060005694A1 (en) * 2004-07-08 2006-01-12 Waller James K Jr Active instrument subwoofer system for low frequency enhancement
US20060093158A1 (en) * 2004-10-29 2006-05-04 Yamaha Corporation Speaker system, audio amplifier and audio system
US20060115101A1 (en) * 2004-11-18 2006-06-01 Schoenberger Michael A Multiple amplifier synchronization system
US20070147622A1 (en) * 2003-12-25 2007-06-28 Rohm Co., Ltd. Audio apparatus
US20070211904A1 (en) * 2004-03-16 2007-09-13 Kei Sakagami Stereophonic Sound Reproducing System and Stereophonic Sound Reproducing Apparatus
US20090067647A1 (en) * 2005-05-13 2009-03-12 Shinichi Yoshizawa Mixed audio separation apparatus
US20090164225A1 (en) * 2007-12-21 2009-06-25 Samsung Electronics Co., Ltd. Method and apparatus of audio matrix encoding/decoding

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070165890A1 (en) * 2004-07-16 2007-07-19 Matsushita Electric Industrial Co., Ltd. Sound image localization device
JP2007104046A (ja) * 2005-09-30 2007-04-19 Sony Corp 音響調整装置
JP2007208679A (ja) * 2006-02-02 2007-08-16 Matsushita Electric Ind Co Ltd 音響再生装置
CN101145386B (zh) * 2006-09-14 2012-01-18 鸿富锦精密工业（深圳）有限公司 多路独立音频输出的音频播放器
JP4946305B2 (ja) 2006-09-22 2012-06-06 ソニー株式会社 音響再生システム、音響再生装置および音響再生方法
KR101336237B1 (ko) 2007-03-02 2013-12-03 삼성전자주식회사 멀티 채널 스피커 시스템의 멀티 채널 신호 재생 방법 및장치
FR2918532B1 (fr) * 2007-07-05 2015-04-24 Arkamys Procede de traitement sonore d'un signal stereophonique a l'interieur d'un vehicule automobile et vehicule automobile mettant en oeuvre ce procede
WO2009069228A1 (ja) * 2007-11-30 2009-06-04 Pioneer Corporation センターチャンネル定位装置
JP2010087783A (ja) * 2008-09-30 2010-04-15 Pioneer Electronic Corp 音響装置、音響信号処理方法、音響信号処理プログラム及び記録媒体
JP5666249B2 (ja) * 2010-11-04 2015-02-12 アルパイン株式会社 音声出力装置
WO2013051085A1 (ja) * 2011-10-03 2013-04-11 パイオニア株式会社 音声信号処理装置、音声信号処理方法及び音声信号処理プログラム
JP5884013B2 (ja) * 2012-03-26 2016-03-15 パナソニックＩｐマネジメント株式会社 車載用音響再生装置
JP2014168228A (ja) * 2013-01-30 2014-09-11 Yamaha Corp 放音装置
US9930469B2 (en) 2015-09-09 2018-03-27 Gibson Innovations Belgium N.V. System and method for enhancing virtual audio height perception
TWI584274B (zh) * 2016-02-02 2017-05-21 美律實業股份有限公司 具逆相位衰減特性之共腔體式背箱設計揚聲器系統的音源訊號處理方法及其裝置
CN106375905B (zh) * 2016-11-30 2019-01-25 北京酷我科技有限公司 一种多路音频的合成和调节的方法
CN109286451A (zh) * 2018-11-20 2019-01-29 成都仕芯半导体有限公司 多通道相控阵系统通道间的参数校准方法
FR3091636B1 (fr) * 2019-01-04 2020-12-11 Parrot Faurecia Automotive Sas Procédé de traitement d’un signal audio multicanal

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219696A (en) * 1977-02-18 1980-08-26 Matsushita Electric Industrial Co., Ltd. Sound image localization control system
US4817162A (en) * 1986-09-19 1989-03-28 Pioneer Electronic Corporation Binaural correlation coefficient correcting apparatus
US5068897A (en) * 1989-04-26 1991-11-26 Fujitsu Ten Limited Mobile acoustic reproducing apparatus
US5677957A (en) * 1995-11-13 1997-10-14 Hulsebus; Alan Audio circuit producing enhanced ambience
JPH10210599A (ja) 1997-01-17 1998-08-07 Toyota Motor Corp 車載用オーディオ装置
US5872851A (en) * 1995-09-18 1999-02-16 Harman Motive Incorporated Dynamic stereophonic enchancement signal processing system
US5974153A (en) * 1997-05-19 1999-10-26 Qsound Labs, Inc. Method and system for sound expansion
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
US6038323A (en) * 1997-11-17 2000-03-14 Harman Motive Inc. Stereophonic image enhancement system for use in automobiles
US6084970A (en) * 1996-11-15 2000-07-04 U.S. Philips Corporation Mono-stereo conversion device, an audio reproduction system using such a device and a mono-stereo conversion method
EP1113703A1 (en) 1999-07-07 2001-07-04 Matsushita Electric Industrial Co., Ltd. Sound reproducing unit
US6842524B1 (en) * 1999-02-05 2005-01-11 Openheart Ltd. Method for localizing sound image of reproducing sound of audio signals for stereophonic reproduction outside speakers

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219696A (en) * 1977-02-18 1980-08-26 Matsushita Electric Industrial Co., Ltd. Sound image localization control system
US4817162A (en) * 1986-09-19 1989-03-28 Pioneer Electronic Corporation Binaural correlation coefficient correcting apparatus
US5068897A (en) * 1989-04-26 1991-11-26 Fujitsu Ten Limited Mobile acoustic reproducing apparatus
US5872851A (en) * 1995-09-18 1999-02-16 Harman Motive Incorporated Dynamic stereophonic enchancement signal processing system
US5677957A (en) * 1995-11-13 1997-10-14 Hulsebus; Alan Audio circuit producing enhanced ambience
US6084970A (en) * 1996-11-15 2000-07-04 U.S. Philips Corporation Mono-stereo conversion device, an audio reproduction system using such a device and a mono-stereo conversion method
JPH10210599A (ja) 1997-01-17 1998-08-07 Toyota Motor Corp 車載用オーディオ装置
US5974153A (en) * 1997-05-19 1999-10-26 Qsound Labs, Inc. Method and system for sound expansion
US6038323A (en) * 1997-11-17 2000-03-14 Harman Motive Inc. Stereophonic image enhancement system for use in automobiles
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
US6842524B1 (en) * 1999-02-05 2005-01-11 Openheart Ltd. Method for localizing sound image of reproducing sound of audio signals for stereophonic reproduction outside speakers
EP1113703A1 (en) 1999-07-07 2001-07-04 Matsushita Electric Industrial Co., Ltd. Sound reproducing unit

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040175001A1 (en) * 2003-03-03 2004-09-09 Pioneer Corporation Circuit and program for processing multichannel audio signals and apparatus for reproducing same
US7457421B2 (en) * 2003-03-03 2008-11-25 Pioneer Corporation Circuit and program for processing multichannel audio signals and apparatus for reproducing same
US20090060210A1 (en) * 2003-03-03 2009-03-05 Pioneer Corporation Circuit and program for processing multichannel audio signals and apparatus for reproducing same
US8160260B2 (en) 2003-03-03 2012-04-17 Pioneer Corporation Circuit and program for processing multichannel audio signals and apparatus for reproducing same
US20050074135A1 (en) * 2003-09-09 2005-04-07 Masanori Kushibe Audio device and audio processing method
US20070147622A1 (en) * 2003-12-25 2007-06-28 Rohm Co., Ltd. Audio apparatus
US20070211904A1 (en) * 2004-03-16 2007-09-13 Kei Sakagami Stereophonic Sound Reproducing System and Stereophonic Sound Reproducing Apparatus
US7697695B2 (en) * 2004-03-16 2010-04-13 Pioneer Corporation Stereophonic sound reproducing system and stereophonic sound reproducing apparatus
US20060005694A1 (en) * 2004-07-08 2006-01-12 Waller James K Jr Active instrument subwoofer system for low frequency enhancement
US8565447B2 (en) * 2004-07-08 2013-10-22 James K. Waller, Jr. Active instrument subwoofer system for low frequency enhancement
US8050424B2 (en) * 2004-10-29 2011-11-01 Yamaha Corporation Speaker system, audio amplifier and audio system
US20060093158A1 (en) * 2004-10-29 2006-05-04 Yamaha Corporation Speaker system, audio amplifier and audio system
US20060115101A1 (en) * 2004-11-18 2006-06-01 Schoenberger Michael A Multiple amplifier synchronization system
US7974420B2 (en) * 2005-05-13 2011-07-05 Panasonic Corporation Mixed audio separation apparatus
US20090067647A1 (en) * 2005-05-13 2009-03-12 Shinichi Yoshizawa Mixed audio separation apparatus
US20090164225A1 (en) * 2007-12-21 2009-06-25 Samsung Electronics Co., Ltd. Method and apparatus of audio matrix encoding/decoding
US8407059B2 (en) * 2007-12-21 2013-03-26 Samsung Electronics Co., Ltd. Method and apparatus of audio matrix encoding/decoding

Also Published As

Publication number Publication date
EP1283658A3 (en) 2004-01-21
JP2003061198A (ja) 2003-02-28
US20030031332A1 (en) 2003-02-13
US7369666B2 (en) 2008-05-06
US20070206823A1 (en) 2007-09-06
EP1283658A2 (en) 2003-02-12

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Legal Events

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AS Assignment

Owner name: PIONEER CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TATSUTA, KAZUHITO;MAEDA, TAKAMI;SATO, TAKESHI;REEL/FRAME:013142/0836;SIGNING DATES FROM 20020712 TO 20020715

REMI Maintenance fee reminder mailed
LAPS Lapse for failure to pay maintenance fees
STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

FP Expired due to failure to pay maintenance fee

Effective date: 20111106